Endro Puspo Wiroko, author
Fakultas Psikologi Universitas Pancasila, 2017
Artikel Jurnal
Endro Puspo Wiroko, author
2009
UI - Tesis (Membership)
Woo, Julia T.
Harper & Row , 1986
Buku Teks
Vrooman, Rona J., author
[American Society for Training & Development Press, American Society for Training & Development Press], 2000
eBooks
Fisher, B. Aubrey, 1937-, author
McGraw-Hill, 1990
Buku Teks